The plaintiffs challenged the 2012 NDAA contending that indefinite detention on "suspicion of providing substantial support" to groups such as al-Qaeda and the Taliban was so vague as to allow unconstitutional, indefininte detention of civilians based on vague allegations. The Court of Appeals struck down an initial agreement, and the US Supreme Court concurred, arguning that the plaintiffs could not prove they would be affected by the law, so had no standing to contest it.